Feasibility study and supplement: demonstration mine, using longwall mining techniques, Windber, Somerset County, Pennsylvania.
Contributors: United States. Economic Development Administration.
Publisher: U. S. Dept. of Commerce
Published: 1966
Place of publication: [Washington]
Language: eng
Number of pages: 70
Subjects: Coal mines and mining -- Pennsylvania -- Windber.; Coal mines and mining -- Research.
Other titles: Demonstration mine, using longwall mining techniques, Windber, Somerset County, Pennsylvania.
Notes: Prepared for the Economic Development Administration under AF-30, Contract Cc-6114.